Koss PRO 4AA

Drawing on a rich legacy of audio engineering, the Koss Pro4AA headphones represent a timeless benchmark in professional sound reproduction. First introduced in 1970 as groundbreaking dynamic headphones, these full-size professional models have earned an enduring reputation among radio and recording industry professionals for their exceptional soun... mored isolation and high-fidelity performance. Delivering a remarkable frequency response ranging from 10 to 25,000 Hz and boasting an impressive 95dB sound pressure level tolerance, the Pro4AAs create an immersive listening experience that captures every nuanced detail. After a brief retirement in the late '80s, these headphones were quickly reintroduced due to overwhelming demand, a testament to their unparalleled quality and the loyalty of sound professionals and audiophiles who recognize their superior acoustic capabilities. With a robust 250-ohm impedance, minimal distortion (less than 0.1%), and a convenient 8-foot coiled, single-entry cable, the Koss Pro4AA headphones continue to set the standard for professional audio equipment, offering listeners an authentic and electrifying connection to their music.Koss PRO4AA Features:Noise isolating professional studio headphonesThe first dynamic headphones to deliver true full frequency, high fidelity performanceStandard-setting design incorporates performance-enhancing technologySuperior isolation, accurate sound reproduction and the excitement of a live performance with every recordingDurable steel and generously padded rubber headbandAdjustable slide bars ensure snug fit8ft coiled cord with 6.3 mm (1/4") plugKoss PRO4AA Specifications:Frequency Response: 10 Hz - 25kHzImpedance: 250 ohmsSensitivity: 95dB SPL/1mWCord: Coiled, Single Entry, 8ft Koss PRO/4AA PRO4AA.